#include <stdio.h>
#define MONTHS 12
int main()
{
    int days[MONTHS] = {31, 28, [4] = 31, 30, 31, [1] = 29};

    int i;
    for (i = 0; i < MONTHS; i++)
    {
        printf("%2d %d\n", i + 1, days[i]);
    }
    return 0;
}